point of useˌpɔɪntəvˈjuːs短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 n.产品的使用地点；服务的提供地点 Series289 is designed for indoor point of use applications with continuous supply pressure to prevent back siphonage of contaminated water back into the potable water supply. 系列289适用于室内家用器具持续压力下防止污染水反虹吸回流到饮用水供应系统中。 h6688